Aquarium Calculators
Free tools to plan and maintain your aquarium
Track your parameters over time with the ReefFlow app
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Aquarium Volume
Calculate volume in liters and gallons for any tank shape.
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Dosing (Alk/Ca/Mg)
Calculate the exact dose of alkalinity, calcium and magnesium.
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Salt Mix
How much salt to add to reach the ideal salinity.
⏬
Substrate / Sand
Amount of substrate needed for your aquarium.
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Salinity Converter
Convert between SG, PPT, PSU and conductivity.
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Heater Size
Find the ideal wattage to heat your aquarium.
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Electricity Cost
Calculate monthly and yearly cost of your equipment.
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Water Change
Simulate how parameters change after partial changes.
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